Replacement Rubber Membrane Diffuser Electric Aerator They turn 360 degrees and

They turn 360 degrees and the head spins so they look great

This replacement AirStone does not have any backflow protection

Eco-friendly design due to its low profile and energy efficient operation

(3) Adjustable Valves

Replacement Rubber Membrane Diffuser Electric Aerator They turn 360 degrees andRubber Membrane Diffuser We've searched far and wide to come up with a rubber membrane diffuser that can generate a ton of air! What's even better is that this is a low psi design, which means your windmill or electric aerator doesn't have to struggle to open up the perforated slits like it would with some rubber membranes on the market. This 9" membrane is used in the water treatment industry to really move the water through its precision perforated